| Removing and installing non-return valve |
Note | t
| The non-return valve is fitted directly in front of the vacuum pump. |
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| The vacuum pump does not have to be removed. |
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| Use suitable pliers to release hose clip on vacuum hose. |
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| Detach vacuum hose from vacuum pump for brakes -V192-. |
Caution | Take care not to damage the vacuum hose. The vacuum hose must be renewed if it is damaged. |
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| Pull non-return valve out of vacuum hose. |
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| Insert non-return valve in vacuum hose. |
Note | t
| Pay attention to correct installation position. |
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| The arrow indicating the flow direction points towards the vacuum pump. |
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| To facilitate installation, moisten the non-return valve and vacuum hose slightly with water; do not use oil. |
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| Fit new hose clip on vacuum hose. |
Caution | Take care not to damage the vacuum hose. The vacuum hose must be renewed if it is damaged. |
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| Use suitable pliers to fasten hose clip. |
Caution | Make sure that the brakes work properly before the vehicle is driven on the road. |
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